Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight Aircraft

HL7421

BOEING 747-400

Tail number
HL7421
Type
B744
Mode-S
71BC21
Not currently tracked · last seen 3h ago
Flights observed
247 showing last 50
Avg flight time
5h 11m
Typical route
HKG → ICN
Last seen
3h ago

Last known area

Map centered near HL7421's most recent activity.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-07-17 - Jul 17, 11:55 UTCJul 17, 22:49 UTC10h 55m
2026-07-17 LAX → SFO Jul 17, 08:20 UTCJul 17, 09:10 UTC50m
2026-07-17 LAX → SFO Jul 17, 01:05 UTCJul 17, 06:00 UTC4h 55m
2026-07-16 LAX → SFO Jul 16, 15:10 UTCJul 16, 22:49 UTC7h 40m
2026-07-16 HKG → ICN Jul 16, 06:45 UTCJul 16, 09:50 UTC3h 5m
2026-07-16 ICN → HKG Jul 16, 00:45 UTCJul 16, 03:35 UTC2h 50m
2026-07-15 FRA → ICN Jul 15, 10:40 UTCJul 15, 21:15 UTC10h 35m
2026-07-15 VIE → FRA Jul 15, 07:00 UTCJul 15, 08:10 UTC1h 10m
2026-07-14 ICN → VIE Jul 14, 14:55 UTCJul 15, 05:00 UTC14h 4m
2026-07-13 ANC → ICN Jul 13, 22:40 UTCJul 14, 07:15 UTC8h 35m
2026-07-13 ATL → ANC Jul 13, 14:00 UTCJul 13, 20:50 UTC6h 50m
2026-07-13 ORD → ATL Jul 13, 09:45 UTCJul 13, 11:10 UTC1h 25m
2026-07-13 ANC → ORD Jul 13, 01:15 UTCJul 13, 06:40 UTC5h 25m
2026-07-12 ICN → ANC Jul 12, 16:20 UTCJul 12, 23:50 UTC7h 30m
2026-07-12 ICN → ICN Jul 12, 06:45 UTCJul 12, 13:30 UTC6h 45m
2026-07-10 - Jul 10, 21:25 UTCJul 10, 21:45 UTC20m
2026-07-10 - Jul 10, 11:15 UTCJul 10, 20:25 UTC9h 10m
2026-07-10 VIE → MXP Jul 10, 06:40 UTCJul 10, 07:45 UTC1h 5m
2026-07-09 - Jul 9, 14:25 UTCJul 10, 04:25 UTC14h 0m
2026-07-08 - Jul 8, 11:05 UTCJul 8, 13:05 UTC2h 0m
2026-07-08 VIE → FRA Jul 8, 07:30 UTCJul 8, 08:40 UTC1h 10m
2026-07-07 ICN → VIE Jul 7, 15:30 UTCJul 8, 05:30 UTC14h 0m
2026-07-07 HKG → ICN Jul 7, 06:10 UTCJul 7, 09:05 UTC2h 55m
2026-07-07 ICN → HKG Jul 7, 00:25 UTCJul 7, 03:30 UTC3h 5m
2026-07-05 HKG → ICN Jul 5, 01:50 UTCJul 5, 04:55 UTC3h 5m
2026-07-04 - Jul 4, 22:40 UTCJul 4, 23:20 UTC40m
2026-07-04 - Jul 4, 21:40 UTCJul 4, 22:00 UTC20m
2026-07-04 - Jul 4, 15:15 UTCJul 4, 18:55 UTC3h 40m
2026-07-04 HKG → ICN Jul 4, 02:00 UTCJul 4, 05:15 UTC3h 15m
2026-07-03 - Jul 3, 22:30 UTCJul 3, 22:55 UTC25m
2026-07-03 - Jul 3, 21:30 UTCJul 3, 21:50 UTC20m
2026-07-03 - Jul 3, 15:25 UTCJul 3, 19:00 UTC3h 35m
2026-07-03 ICN → ICN Jul 3, 00:10 UTCJul 3, 06:45 UTC6h 35m
2026-07-02 - Jul 2, 16:45 UTCJul 2, 21:40 UTC4h 55m
2026-07-02 - Jul 2, 12:00 UTCJul 2, 14:15 UTC2h 15m
2026-07-02 - Jul 2, 08:50 UTCJul 2, 09:15 UTC25m
2026-07-02 - Jul 2, 03:45 UTCJul 2, 06:00 UTC2h 15m
2026-07-01 ANC → ICN Jul 1, 16:15 UTCJul 2, 00:30 UTC8h 15m
2026-07-01 SFO → ANC Jul 1, 10:15 UTCJul 1, 14:40 UTC4h 25m
2026-07-01 - Jul 1, 06:25 UTCJul 1, 07:20 UTC55m
2026-06-30 - Jun 30, 16:40 UTCJul 1, 03:10 UTC10h 30m
2026-06-30 ICN → ICN Jun 30, 07:05 UTCJun 30, 14:25 UTC7h 20m
2026-06-29 - Jun 29, 19:49 UTCJun 30, 04:05 UTC8h 15m
2026-06-29 ATL → ANC Jun 29, 11:20 UTCJun 29, 17:49 UTC6h 30m
2026-06-29 ORD → ATL Jun 29, 07:30 UTCJun 29, 09:00 UTC1h 30m
2026-06-28 - Jun 28, 23:25 UTCJun 29, 04:55 UTC5h 30m
2026-06-28 - Jun 28, 14:19 UTCJun 28, 21:40 UTC7h 20m
2026-06-27 ORD → ICN Jun 27, 07:04 UTCJun 27, 20:29 UTC13h 25m
2026-06-26 ANC → ORD Jun 26, 22:55 UTCJun 27, 04:29 UTC5h 35m
2026-06-26 - Jun 26, 14:09 UTCJun 26, 21:30 UTC7h 20m

Specifications

Registration HL7421
Aircraft type BOEING 747-400 (B744)
Mode-S code 71BC21 · 34336041 (octal)

Looking for transponder-level data? View the Mode-S 71BC21 page for country allocation, callsign history, and ADS-B signal details.

HL7421 frequently asked

What type of aircraft is HL7421?
HL7421 is a BOEING 747-400 (ICAO type code B744).
What is the Mode-S transponder code for HL7421?
HL7421 broadcasts on Mode-S (ICAO 24-bit) address 71BC21 (octal 34336041). View the transponder page.
What route does HL7421 typically fly?
HL7421 most frequently flies between HKG and ICN based on observed flights.
Where is HL7421 right now?
HL7421 is not currently being tracked; last seen 3h ago.